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Schedule of Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($)
Mar. 31, 2025
Dec. 31, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash equivalents-Marketable investments $ 15,000 $ 51,000
Marketable securities 1,349,000 2,276,000
Fair Value, Inputs, Level 1 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash equivalents-Marketable investments 15,000 51,000
Marketable securities 1,349,000 2,276,000
Fair Value, Inputs, Level 2 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash equivalents-Marketable investments
Marketable securities
Fair Value, Inputs, Level 3 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash equivalents-Marketable investments
Marketable securities